STANDARDPhysics-Electrostatics
STANDARD Physics Electric Flux MCQ Question
Type: MCQ-numerical-Medium
A circular plane sheet of radius 10 cm is placed in a uniform electric field of 5 × 10⁵ NC⁻¹, making an angle of 60° with the field. The electric flux through the sheet is
A
1.36 × 10² N m²C⁻¹
B
1.36 × 10⁴ N m²C⁻¹
C
0.515 × 10² N m²C⁻¹
D
0.515 × 10⁴ N m²C⁻¹
Correct Answer
Option B
Detailed Explanation
The electric flux is given by Φ = EAcosθ. Here, E = 5 × 10⁵ NC⁻¹, A = π(0.1)² m², and θ = 60°. Calculating gives Φ = 1.36 × 10⁴ N m²C⁻¹.
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